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Dart Pro1 LS1 CNC Small Block Chevy Cylinder Heads

$2,259.96 SALE: $2,192.16

Dart

Model #11071142

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Dart's CNC LS1 head is machined on a dedicated casting with extra thick sections to maintain proper wall thickness after porting. Due to the large diameter intake valves, the Dart LS1 CNC head is recommended for use on engines with 4.000 inch and larger cylinder bores. Precise computer controlled machining, multi-angle intake seats and radiused exhaust seats enhance air flow

Features:

- Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity

- Fully CNC Machined 250cc intake ports produce awesome air flow and fuel suspension characteristics

- 68cc combustion chambers are CNC machined for maximum consistency

- Racing inspired combustion chamber improves flame propagation and increases air flow

- Additional metal above the ports accommodates valve train upgrades

- Standard multi-angle intake, radiused exhaust seats and CNC machined valve bowls enhance flow

- Manganese bronze valve guides and interlocking hardened valve seats ensure long term reliability

- 2.08 inch intake and 1.60 inch exhaust valves are intended for use with 4.000" or larger bore sizes

- All cylinder heads sold individually

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Who is Dart?

Dart machinery started in a humble environment. Dart was founded in Oak Park, Michigan, in 1981 in a two-car garage. Dart has developed into an established pioneer in re-market cylinder heads, intake control systems and motor blocks throughout the years after the company started a business using a desk and telephone.

Dart's Commitment to High Quality?

Dart is committed to assembling the best engine components available. All development, machining, and assembly are accomplished at Dart facilities to keep the highest quality measures. CNC, a computerized dynamometer, and the proprietary Maskin are updated to the state of the art technology advancement in the Dart engine production program. Engine program and daily interaction with leading engine builders and winning racers put Dart on the leading edge of technology

The original company products were aluminum Hemi cylinder heads that controlled the top fuel and funny car levels. These purpose-built heads granted the power that ultimately broke drag racing’s 300 mph barrier and designed the first four-second Funny Car elapsed time. In recent years, Dart spread-port Big Chief heads have set the measure in classes ranging from Pro Street to Pro Mod. The launch of the inexpensive Iron Eagle and the PRO 1 cylinder heads for large and small Chevy V8s, backed by aluminum- and cast-iron engine parts, is also continuing this tradition of innovation. Dart considering expanded its product line to include small-block Ford and Honda parts.

Dart at Vivid Racing

Dart was started with a desk, a telephone, and a dream. Dart today is the acknowledged pioneer in race-winning components development. Contact our sales team at (480) 966-3040.

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